Home / 268,632,020.40-402,948,030.60-210,181,383.60

Finding the Fourth Proportional to 268,632,020.40, 402,948,030.60 and 210,181,383.60

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Solution

The fourth proportional to 268,632,020.40, 402,948,030.60 and 210,181,383.60 is: 315,272,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,632,020.40 : 402,948,030.60 = 210,181,383.60 : x
  2. Step 2: Convert to fraction form
    268,632,020.40/402,948,030.60 = 210,181,383.60/x
  3. Step 3: Cross multiply
    268,632,020.40x = 402,948,030.60 × 210,181,383.60
  4. Step 4: Simplify right side
    268,632,020.40x = 84,692,174,590,403,136
  5. Step 5: Solve for x
    x = 84,692,174,590,403,136/268,632,020.40
  6. Step 6: Final answer
    x = 315,272,075.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.